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profile.h revision 1.9.16.1 
      1  1.9.16.1   yamt /*      $NetBSD: profile.h,v 1.9.16.1 2006/06/21 14:57:33 yamt Exp $ */
      2       1.1  ragge /*
      3       1.3  ragge  * Copyright (c) 1992 The Regents of the University of California.
      4       1.1  ragge  * All rights reserved.
      5       1.1  ragge  *
      6       1.1  ragge  * Redistribution and use in source and binary forms, with or without
      7       1.1  ragge  * modification, are permitted provided that the following conditions
      8       1.1  ragge  * are met:
      9       1.1  ragge  * 1. Redistributions of source code must retain the above copyright
     10       1.1  ragge  *    notice, this list of conditions and the following disclaimer.
     11       1.1  ragge  * 2. Redistributions in binary form must reproduce the above copyright
     12       1.1  ragge  *    notice, this list of conditions and the following disclaimer in the
     13       1.1  ragge  *    documentation and/or other materials provided with the distribution.
     14       1.9    agc  * 3. Neither the name of the University nor the names of its contributors
     15       1.3  ragge  *    may be used to endorse or promote products derived from this software
     16       1.3  ragge  *    without specific prior written permission.
     17       1.1  ragge  *
     18       1.3  ragge  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     19       1.3  ragge  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20       1.3  ragge  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21       1.3  ragge  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     22       1.3  ragge  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23       1.3  ragge  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24       1.3  ragge  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25       1.3  ragge  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26       1.3  ragge  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27       1.3  ragge  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28       1.3  ragge  * SUCH DAMAGE.
     29       1.3  ragge  *
     30       1.3  ragge  *      @(#)profile.h   7.1 (Berkeley) 7/16/92
     31       1.1  ragge  */
     32       1.1  ragge 
     33       1.5  ragge /*
     34       1.5  ragge  * _mcount can't be declared static, gcc will optimize it away then.
     35       1.5  ragge  */
     36       1.5  ragge #define _MCOUNT_DECL void _mcount
     37       1.2  ragge 
     38       1.5  ragge /*
     39       1.5  ragge  * Note here: the second argument to __mcount() is pc when mcount
     40       1.5  ragge  * was called. Because it's already on the stack we only have to
     41       1.5  ragge  * push previous pc _and_ tell calls that it is only one argument
     42       1.5  ragge  * to __mcount, so that our return address won't get popped from stack.
     43       1.5  ragge  */
     44       1.7   matt #ifdef __ELF__
     45       1.7   matt #define MCOUNT \
     46  1.9.16.1   yamt __asm(".text; .globl __mcount; __mcount: pushl 16(%fp); calls $1,_mcount; rsb");
     47       1.7   matt #else
     48       1.2  ragge #define MCOUNT \
     49  1.9.16.1   yamt __asm(".text; .globl mcount; mcount: pushl 16(%fp); calls $1,__mcount; rsb");
     50       1.7   matt #endif
     51       1.2  ragge 
     52       1.4    jtc #ifdef _KERNEL
     53       1.2  ragge /*
     54       1.2  ragge  * Note that we assume splhigh() and splx() cannot call mcount()
     55       1.2  ragge  * recursively.
     56       1.2  ragge  */
     57       1.2  ragge #define MCOUNT_ENTER    s = splhigh()
     58       1.2  ragge #define MCOUNT_EXIT     splx(s)
     59       1.4    jtc #endif /* _KERNEL */
     60